The line graph shows the Population in the state of Oregon by county. Three counties that incresed in population between 1940 and 2000, Columbia, Yamhill and Washington had shown the different increasing.

Depicted in the line graph is the population of citizens in the state of Oregon by county. The data was observed in the years 1940, 1970, and 2000.

Moreover

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, the

states

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that were observed were Columbia, Yamhill, and Washington.

Overall

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, throughout the years, it can be observed that all of the

states

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mentioned in the graph experienced a stable increase. It can be seen that Washington was the highest of all time, with 75 thousand in 1940, went to around 120 in 1970, and ended with more than 240 thousand in 2000.

Furthermore

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, Columbia and Yamhill's rank remained the same and had almost the same population throughout the years. Another noteworthy aspect is the highest and lowest gap between the

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in 1940 and 2000. The highest and lowest populations went to Washington and Columbia. In 1940, their gap was approximately 40 thousand. It kept on increasing until the year 2000 when there was more than 150 gap between both

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.